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Cash, Cash Equivalents and Investments (Tables) | 12 Months Ended
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Dec. 31, 2014
Cash, Cash Equivalents and Investments [Abstract] |
Cash, cash equivalents and investments | Our cash, cash equivalents and investments are classified as follows (in thousands):
| December 31, 2014 | December 31, 2013
| Amortized Cost | Gross Unrealized Gain | Gross Unrealized (Loss) | Fair Value | Amortized Cost | Gross Unrealized Gain | Gross Unrealized (Loss) | Fair Value
Classified as: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash | $ | 28,791 |  | $ | — |  | $ | — |  | $ | 28,791 |  | $ | 24,852 |  | $ | — |  | $ | — |  | $ | 24,852 |
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market fund |  | 23 |  |  | — |  |  | — |  |  | 23 |  |  | 109 |  |  | — |  |  | — |  |  | 109 |
Total cash and cash equivalents |  | 28,814 |  |  | — |  |  | — |  |  | 28,814 |  |  | 24,961 |  |  | — |  |  | — |  |  | 24,961 |
Investments(available for sale): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of Deposit |  | 10,195 |  |  | 1 |  |  | (13 | ) |  | 10,183 |  |  | 6,320 |  |  | 2 |  |  | (4 | ) |  | 6,318 |
Corporate bonds |  | 9,214 |  |  | 1 |  |  | (29 | ) |  | 9,186 |  |  | 14,276 |  |  | 8 |  |  | (6 | ) |  | 14,278 |
Corporate equity security |  | 44 |  |  | 710 |  |  | — |  |  | 754 |  |  | 125 |  |  | 1,923 |  |  | — |  |  | 2,048 |
Total investments |  | 19,453 |  |  | 712 |  |  | (42 | ) |  | 20,123 |  |  | 20,721 |  |  | 1,933 |  |  | (10 | ) |  | 22,644 |
Total cash, cash equivalents and investments | $ | 48,267 |  | $ | 712 |  | $ | (42 | ) | $ | 48,937 |  | $ | 45,682 |  | $ | 1,933 |  | $ | (10 | ) | $ | 47,605 |
Contractual maturities on investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Due within 1 year | $ | 11,631 |  |  |  |  |  |  |  | $ | 12,340 |  | $ | 10,569 |  |  |  |  |  |  |  | $ | 12,499 |
Due after 1 through 5 years |  | 7,822 |  |  |  |  |  |  |  |  | 7,783 |  |  | 10,152 |  |  |  |  |  |  |  |  | 10,145 |
| $ | 19,453 |  |  |  |  |  |  |  | $ | 20,123 |  | $ | 20,721 |  |  |  |  |  |  |  | $ | 22,644 |
Fair value and gross unrealized losses related to available-for-sale securities | The following table summarizes the fair value and gross unrealized losses related to available-for-sale securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of December 31, 2014 (in thousands):
| In Loss Position < 12 months | In Loss Position > 12 months | Total In Loss Position
| Fair Value | Gross Unrealized (Loss) | Fair Value | Gross Unrealized (Loss) | Fair Value | Gross Unrealized (Loss)
Investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit | $ | 4,492 |  | $ | (13 | ) | $ | — |  | $ | — |  | $ | 4,492 |  | $ | (13 | )
Corporate bonds |  | 3,770 |  |  | (27 | ) |  | 4,309 |  |  | (2 | ) |  | 8,079 |  |  | (29 | )
Total in loss position | $ | 8,262 |  | $ | (40 | ) | $ | 4,309 |  | $ | (2 | ) | $ | 12,571 |  | $ | (42 | )
The following table summarizes the fair value and gross unrealized losses related to available-for-sale securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of December 31, 2013 (in thousands):
| In Loss Position < 12 months | In Loss Position > 12 months | Total In Loss Position
| Fair Value | Gross Unrealized (Loss) | Fair Value | Gross Unrealized (Loss) | Fair Value | Gross Unrealized (Loss)
Investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit | $ | 3,425 |  | $ | (4 | ) | $ | 720 |  | $ | (0 | ) | $ | 4,145 |  | $ | (4 | )
Corporate bonds |  | 4,473 |  |  | (5 | ) |  | 3,711 |  |  | (1 | ) |  | 8,184 |  |  | (6 | )
Total in loss position | $ | 7,898 |  | $ | (9 | ) | $ | 4,431 |  | $ | (1 | ) | $ | 12,329 |  | $ | (10 | )
Summary of financial assets and liabilities measured at fair value on a recurring basis | The following table summarizes our financial assets and liabilities measured at fair value on a recurring basis in accordance with ASC 820 as of December 31, 2014 (in thousands):
| Balance as of December 31, 2014 | Quoted Prices in Active Markets of Identical Assets (Level 1) | Significant Other Observable Inputs (Level 2)
Assets: |  |  |  |  |  |  |  |  |
Cash equivalents and investments: |  |  |  |  |  |  |  |  |
Money market fund | $ | 23 |  | $ | 23 |  | $ | — |
Corporate equity securities |  | 754 |  |  | 754 |  |  | — |
Certificates of deposit |  | 10,183 |  |  | — |  |  | 10,183 |
Corporate bonds |  | 9,186 |  |  | — |  |  | 9,186 |
Total | $ | 20,146 |  | $ | 777 |  | $ | 19,369 |
Liabilities | $ | — |  | $ | — |  | $ | — |  |  |  |
The following table summarizes our financial assets and liabilities measured at fair value on a recurring basis in accordance with ASC 820 as of December 31, 2013 (in thousands):
| Balance as of December 31, 2013 | Quoted Prices in Active Markets of Identical Assets (Level 1) | Significant Other Observable Inputs (Level 2)
Assets: |  |  |  |  |  |  |  |  |
Cash equivalents and investments: |  |  |  |  |  |  |  |  |
Money market fund | $ | 109 |  | $ | 109 |  | $ | — |
Corporate equity securities |  | 2,048 |  |  | 2,048 |  |  | — |
Certificates of deposit |  | 6,318 |  |  | — |  |  | 6,318 |
Corporate bonds |  | 14,278 |  |  | — |  |  | 14,278 |
Total | $ | 22,753 |  | $ | 2,157 |  | $ | 20,596 |
Liabilities | $ | — |  | $ | — |  | $ | — |  |  |  |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258 + Details
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